I must hinder you must hinder he must hinder we must hinder you must hinder they must hinder
V-ing form
I must be hindering you must be hindering he must be hindering we must be hindering you must be hindering they must be hindering
Perfect
I must have hindered you must have hindered he must have hindered we must have hindered you must have hindered they must have hindered
V-ing perfect
I must have been hindering you must have been hindering he must have been hindering we must have been hindering you must have been hindering they must have been hindering
Negation
Simple form
I must not hinder you must not hinder he must not hinder we must not hinder you must not hinder they must not hinder
V-ing form
I must not be hindering you must not be hindering he must not be hindering we must not be hindering you must not be hindering they must not be hindering
Perfect
I must not have hindered you must not have hindered he must not have hindered we must not have hindered you must not have hindered they must not have hindered
V-ing perfect
I must not have been hindering you must not have been hindering he must not have been hindering we must not have been hindering you must not have been hindering they must not have been hindering
Interrogative form
Simple form
must I hinder? must you hinder? must he hinder? must we hinder? must you hinder? must they hinder?
V-ing form
must I be hindering? must you be hindering? must he be hindering? must we be hindering? must you be hindering? must they be hindering?
Perfect
must I have hindered? must you have hindered? must he have hindered? must we have hindered? must you have hindered? must they have hindered?
V-ing perfect
must I have been hindering? must you have been hindering? must he have been hindering? must we have been hindering? must you have been hindering? must they have been hindering?
Interro-negative form
Simple form
must I not hinder? must you not hinder? must he not hinder? must we not hinder? must you not hinder? must they not hinder?
V-ing form
must I not be hindering? must you not be hindering? must he not be hindering? must we not be hindering? must you not be hindering? must they not be hindering?
Perfect
must I not have hindered? must you not have hindered? must he not have hindered? must we not have hindered? must you not have hindered? must they not have hindered?
V-ing perfect
must I not have been hindering? must you not have been hindering? must he not have been hindering? must we not have been hindering? must you not have been hindering? must they not have been hindering?